ClassID:

231946

H04R1/403 - page 4 - CPC Classification

Classification description:

Details of transducers, loudspeakers or microphones; Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers

Recent Application in this class:
#901
20160094915
2016-03-31

Array of electroacoustic actuators and method for producing an array

#902
20160094909
2016-03-31

Vertically and horizontally balanced subwoofer

#903
20160088393
2016-03-24

Audio playback device and audio playback method

#904
20160037282
2016-02-04

Method, device and system

#905
20160021481
2016-01-21

Adjusting the beam pattern of a speaker array based on the location of one or more listeners

#906
20160021458
2016-01-21

Timbre constancy across a range of directivities for a loudspeaker

#907
20160021454
2016-01-21

Speaker module, display device having a speaker module, audio adjustment system and control method thereof, and synchronization method for playing multi-language sound

#908
20160014505
2016-01-14

Sound reproduction device, sound reproduction method and sound reproduction program

#909
20160007129
2016-01-07

Method for controlling sound in an auditorium

#910
20160007116
2016-01-07

Room and program responsive loudspeaker system

#911
20150382108
2015-12-31

Speaker array apparatus

#912
20150381782
2015-12-31

Handphone

#913
20150373454
2015-12-24

Sound-Emitting Device and Sound-Emitting Method

#914
20150373452
2015-12-24

Loudspeaker system

#915
20150358734
2015-12-10

Method and system for large scale audio system

#916
20150325245
2015-11-12

LOUDSPEAKER BEAMFORMING

#917
20150312692
2015-10-29

Innovative sound system

#918
20150304789
2015-10-22

Method and system for generation of sound fields

#919
20150304780
2015-10-22

Electroacoustic transducer, manufacturing method therefor, and electronic device utilizing same

#920
20150289050
2015-10-08

Method and system for large scale audio system

#921
20150289038
2015-10-08

Automatic equalization of loudspeaker array

#922
20150264488
2015-09-17

Electroacoustic transducer, manufacturing method thereof, and electronic device utilizing same

#923
20150264461
2015-09-17

Telecommunications device

#924
20150237449
2015-08-20

Coaxial loudspeaker arrangement

#925
20150237424
2015-08-20

Modular quick-connect A/V system and methods thereof

#926
20150224914
2015-08-13

Electrical and physical mounting assemblies

#927
20150222976
2015-08-06

Multi-function synthetic jet and method of manufacturing same

#928
20150212248
2015-07-30

Light guide body, relay apparatus, and speaker apparatus

#929
20150208191
2015-07-23

Information processing system and storage medium

#930
20150208190
2015-07-23

Bi-directional interconnect for communication between a renderer and an array of individually addressable drivers

#931
20150208150
2015-07-23

Rigging system locking mechanism

#932
20150195643
2015-07-09

Loudspeaker horn and cabinet

#933
20150189435
2015-07-02

Information processing system and storage medium

#934
20150172818
2015-06-18

Loudspeaker and electrodynamic acoustic transducer with bulbous waveguide tip

#935
20150142148
2015-05-21

Interactive sound reproducing

#936
20150139455
2015-05-21

Passive group delay beam forming

#937
20150139439
2015-05-21

Dynamic location determination for a directionally controllable parametric emitter

#938
20150131840
2015-05-14

Speaker apparatus and methods useful in conjunction therewith

#939
20150117686
2015-04-30

Method and apparatus for outputting sound through speaker

#940
20150110293
2015-04-23

Playback based on received sound waves

#941
20150104054
2015-04-16

Multiple aperture speaker assembly

#942
20150098594
2015-04-09

Speaker

#943
20150049881
2015-02-19

Audio signal processing device

#944
20150003631
2015-01-01

Device for estimating placement of physical objects

#945
20150000998
2015-01-01

Acoustic horn manifold

#946
20140376745
2014-12-25

Hybrid audio delivery system and method therefor

#947
20140369543
2014-12-18

Loudspeaker with a wave guide

#948
20140369514
2014-12-18

Portable electronic device directed audio targeted multiple user system and method

#949
20140355783
2014-12-04

Automobile headrest

#950
20140348330
2014-11-27

Multi lobe stereo loudspeaker in one cabinet

#951
20140341420
2014-11-20

Acoustic transducer apparatus

#952
20140321692
2014-10-30

Loudspeaker

#953
20140314249
2014-10-23

Slim profile loudspeaker

#954
20140305735
2014-10-16

Moving armature receiver assemblies with vibration suppression

#955
20140286510
2014-09-25

Loudspeaker design

#956
20140284976
2014-09-25

Seat device comprising improved audio device for use in an aircraft or spacecraft

#957
20140270309
2014-09-18

Acoustic horn manifold

#958
20140270308
2014-09-18

Equal expansion rate symmetric acoustic transformer

#959
20140270305
2014-09-18

Portable electronic device directed audio system and method

#960
20140270274
2014-09-18

Speaker apparatus and methods useful in conjunction therewith

#961
20140269213
2014-09-18

Portable electronic device directed audio system and method

#962
20140233778
2014-08-21

In-wall multiple-bay loudspeaker system

#963
20140226833
2014-08-14

Headphone device

#964
20140219477
2014-08-07

Guitar amplifier

#965
20140211945
2014-07-31

Audio rendering device and audio rendering method

#966
20140205132
2014-07-24

Rigging system for speakers

#967
20140205126
2014-07-24

Adjustable speaker rigging system

#968
20140198941
2014-07-17

Acoustical signal generator using two transducers and a reflector with a non-flat contour

#969
20140193022
2014-07-10

Canal-type receiver

#970
20140172435
2014-06-19

Direction of arrival estimation using watermarked audio signals and microphone arrays

#971
20140153750
2014-06-05

Directional loudspeaker

#972
20140140550
2014-05-22

Thermoacoustic device array

#973
20140133673
2014-05-15

Vehicle with side wall speakers

#974
20140126753
2014-05-08

Speaker array apparatus

#975
20140112513
2014-04-24

Horn amplifier

#976
20140064550
2014-03-06

Acoustic optimization

#977
20140064526
2014-03-06

Method for controlling a speaker array to provide spatialized, localized, and binaural virtual surround sound

#978
20140056466
2014-02-27

Loudspeaker driver with dual electromagnet assemblies

#979
20140049970
2014-02-20

Multi-function synthetic jet and method of manufacturing same

#980
20140037128
2014-02-06

Device for emitting an acoustic wave

#981
20140037081
2014-02-06

Audio conference device

#982
20140023220
2014-01-23

Array speaker structure for audio/video device

#983
20140023207
2014-01-23

Passive loudspeaker multiplexer

#984
20140023206
2014-01-23

Acoustic apparatus

#985
20140003622
2014-01-02

Loudspeaker beamforming for personal audio focal points

#986
20140003620
2014-01-02

Devices and methods for conveying audio information in vehicles

#987
20130322635
2013-12-05

Method and device for controlling speaker array sound field based on quadratic residue sequence combinations

#988
20130315037
2013-11-28

Low frequency electro acoustic transducer and method of generating acoustic waves

#989
20130315034
2013-11-28

Electronic device

#990
20130314610
2013-11-28

Electronic device

#991
20130314218
2013-11-28

Remote-control device with directional audio system

#992
20130301862
2013-11-14

Loudspeaker array element

#993
20130301861
2013-11-14

EXTENDABLE SOUND BAR

#994
20130294624
2013-11-07

Device and method for driving a sound system and sound system

#995
20130279716
2013-10-24

System and method for directionally radiating sound

#996
20130266169
2013-10-10

Audio performance system

#997
20130257318
2013-10-03

Apparatus and methods for individual addressing and noise reduction in actuator arrays

#998
20130242702
2013-09-19

Oscillator device and electronic apparatus

#999
20130236031
2013-09-12

Speaker system which comprises speaker driver groups

#1000
20130223631
2013-08-29

Engaging terminal devices

#1001
20130216074
2013-08-22

Speaker array for reducing individual differences in virtual sound field reproduction

#1002
20130208936
2013-08-15

Loudspeaker rigging system having upwardly extending connecting links

#1003
20130195286
2013-08-01

Equalization of an audio signal

#1004
20130190041
2013-07-25

Smartphone Speakerphone Mode With Beam Steering Isolation

#1005
20130188817
2013-07-25

Extended Speakerphone Layout for Conference Room Tables

#1006
20130158693
2013-06-20

Interactive sound reproducing

#1007
20130156236
2013-06-20

Audio apparatus and method of changing sound emission mode

#1008
20130142364
2013-06-06

Linear interleaved magnetic motor and loudspeaker transducer using same

#1009
20130128130
2013-05-23

Video display device

#1010
20130114824
2013-05-09

Signal connecting module, electronic device, and connector identification method thereof

#1011
20130108078
2013-05-02

Method and device of channel equalization and beam controlling for a digital speaker array system

#1012
20130101144
2013-04-25

Acoustic system

#1013
20130094679
2013-04-18

Microelectromechanical loudspeaker array with predetermined period of time of diaphragm relaxation

#1014
20130094677
2013-04-18

COMPOUND MULTI-SPEAKER WITH MODULAR STRUCTURE

#1015
20130094652
2013-04-18

Method and device for controlling the broadcasting of audio contents by two loudspeakers

#1016
20130089218
2013-04-11

Audio equipment and oscillation unit

#1017
20130077810
2013-03-28

Apparatus having an acoustic display

#1018
20130076275
2013-03-28

Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith

#1019
20130064041
2013-03-14

Oscillator and electronic device

#1020
20130058505
2013-03-07

CIRCULAR LOUDSPEAKER ARRAY WITH CONTROLLABLE DIRECTIVITY

#1021
20130039512
2013-02-14

Speaker device and filter coefficient generating device therefor

#1022
20130034251
2013-02-07

Audio and power signal distribution for loudspeakers

#1023
20130034246
2013-02-07

Diffracted sound reduction device, diffracted sound reduction method, and filter coefficient determination method

#1024
20130016130
2013-01-17

Audio/visual electronic device having an integrated visual angular limitation device

#1025
20120328140
2012-12-27

Horn enclosure for combining sound output

#1026
20120321102
2012-12-20

METHOD AND APPARATUS CREATING A PERSONAL SOUND ZONE

#1027
20120314872
2012-12-13

SYSTEM AND METHOD FOR PROCESSING AN INPUT SIGNAL TO PRODUCE 3D AUDIO EFFECTS

#1028
20120294121
2012-11-22

Transducer for phased array acoustic systems

#1029
20120281858
2012-11-08

METHOD AND APPARATUS FOR TRANSMISSION OF SOUND WAVES WITH HIGH LOCALIZATION of SOUND PRODUCTION

#1030
20120281854
2012-11-08

Sound emission and collection device

#1031
20120281852
2012-11-08

Interactive Sound Reproducing

#1032
20120269351
2012-10-25

AUDIO DATA PROCESSING APPARATUS, AUDIO APPARATUS, AND AUDIO DATA PROCESSING METHOD

#1033
20120269350
2012-10-25

AUDIO DATA PROCESSING APPARATUS, AUDIO APPARATUS, AND AUDIO DATA PROCESSING METHOD

#1034
20120263335
2012-10-18

Orientation-responsive use of acoustic reflection

#1035
20120263306
2012-10-18

Acoustic spatial projector

#1036
20120250912
2012-10-04

LINE SPEAKER SYSTEM AND LAYOUT

#1037
20120249785
2012-10-04

Signal processor and signal processing method

#1038
20120213397
2012-08-23

Portable Speaker Apparatus

#1039
20120207332
2012-08-16

Housed loudspeaker array

#1040
20120206651
2012-08-16

SPEAKER SYSTEM, VIDEO DISPLAY DEVICE, AND TELEVISION RECEIVER

#1041
20120201403
2012-08-09

Omnidirectional speaker

#1042
20120170762
2012-07-05

Method and apparatus for controlling distribution of spatial sound energy

#1043
20120163636
2012-06-28

Method and apparatus for creating personal sound zone

#1044
20120160599
2012-06-28

Sound box and electronic device using same

#1045
20120155679
2012-06-21

Loudspeaker system for reproducing multi-channel sound with an improved sound image

#1046
20120148053
2012-06-14

Directional sound system

#1047
20120140945
2012-06-07

Audio Apparatus

#1048
20120121118
2012-05-17

SLOTTED WAVEGUIDE FOR LOUDSPEAKERS

#1049
20120121113
2012-05-17

Directional control of sound in a vehicle

#1050
20120114147
2012-05-10

Speaker apparatus

#1051
20120106771
2012-05-03

Aesthetic linear speaker assembly

#1052
20120106767
2012-05-03

SHAPED LOUDSPEAKER

#1053
20120106765
2012-05-03

Loudspeaker system and waveshaping unit

#1054
20120099740
2012-04-26

All-digital speaker system device

#1055
20120093347
2012-04-19

Array element rigging component, system and method

#1056
20120087525
2012-04-12

Speaker, hearing aid, inner-ear headphone, portable information processing device, and AV device

#1057
20120076330
2012-03-29

Apparatus and methods for generating pressure waves

#1058
20120063618
2012-03-15

Speaker device

#1059
20120057732
2012-03-08

Method and apparatus of adjusting distribution of spatial sound energy

#1060
20120053711
2012-03-01

Porting audio using a connector in a small form factor electronic device

#1061
20120051572
2012-03-01

Shield with integrated loudspeaker

#1062
20120051568
2012-03-01

METHOD AND APPARATUS FOR REPRODUCING FRONT SURROUND SOUND

#1063
20120041579
2012-02-16

REAR SURROUND SOUND PROJECTION SYSTEM

#1064
20120039484
2012-02-16

Speaker with frequency directed dual drivers

#1065
20120039480
2012-02-16

METHOD AND APPARATUS FOR IMPROVED DIRECTIVITY OF AN ACOUSTIC ANTENNA

#1066
20120033842
2012-02-09

Equal expansion rate symmetric acoustic transformer

#1067
20120014544
2012-01-19

Bipolar speaker with improved clarity

#1068
20120014525
2012-01-19

Method and apparatus for simultaneously controlling near sound field and far sound field

#1069
20120008812
2012-01-12

Loudspeaker

#1070
20110304445
2011-12-15

Vehicle presence notification apparatus

#1071
20110274306
2011-11-10

Multiple aperture speaker assembly

#1072
20110271732
2011-11-10

METHOD OF AND APPARATUS FOR WINDING STRIP, IN PARTICULAR METAL STRIP

#1073
20110268305
2011-11-03

Multi-throat acoustic horn for acoustic filtering

#1074
20110268287
2011-11-03

LOUDSPEAKER SYSTEM AND SOUND EMISSION AND COLLECTION METHOD

#1075
20110249857
2011-10-13

Apparatus for reproduction of sound

#1076
20110245585
2011-10-06

Method and apparatus for enhanced stimulation of the limbic auditory response

#1077
20110243353
2011-10-06

Speaker Apparatus

#1078
20110228958
2011-09-22

Method and system for equal acoustics porting

#1079
20110216907
2011-09-08

Multi-element directional acoustic arrays

#1080
20110211720
2011-09-01

Multiple aperture diffraction device

#1081
20110188661
2011-08-04

Flat panel loudspeakers

#1082
20110182449
2011-07-28

Enclosure-less loudspeaker system

#1083
20110182440
2011-07-28

Woofer-less and enclosure-less loudspeaker system

#1084
20110182150
2011-07-28

Actuator apparatus with comb-drive component and methods useful for manufacturing and operating same

#1085
20110164769
2011-07-07

Method and apparatus for generating and playing audio signals, and system for processing audio signals

#1086
20110142266
2011-06-16

FOLDING-TYPE DIRECTIONAL SPEAKER ARRAY MODULE

#1087
20110135125
2011-06-09

METHOD, COMMUNICATION DEVICE AND COMMUNICATION SYSTEM FOR CONTROLLING SOUND FOCUSING

#1088
20110135100
2011-06-09

Loudspeaker Array Device and Method for Driving the Device

#1089
20110103620
2011-05-05

Apparatus and method for generating filter characteristics

#1090
20110103614
2011-05-05

Hybrid audio delivery system and method therefor

#1091
20110096946
2011-04-28

Loudspeaker module

#1092
20110096941
2011-04-28

SELF-STEERING DIRECTIONAL LOUDSPEAKERS AND A METHOD OF OPERATION THEREOF

#1093
20110075521
2011-03-31

Acoustic transducer

#1094
20110075396
2011-03-31

SYSTEM INTEGRATED SOUND BROADCAST AND ILLUMINATION AND METHOD THEREOF

#1095
20110069856
2011-03-24

Modular acoustic horns and horn arrays

#1096
20110064254
2011-03-17

CASE FOR PROVIDING IMPROVED AUDIO PERFORMANCE IN PORTABLE GAME CONSOLES AND OTHER DEVICES

#1097
20110050840
2011-03-03

Apparatus, system and method for video call

#1098
20110038494
2011-02-17

Acoustic transducer array

#1099
20110026729
2011-02-03

Vehicle existence informing device and method for informing existence of a vehicle

#1100
20110019867
2011-01-27

Electro-acoustic transducer with multi-faced diaphragm assembly

#1101
20110013782
2011-01-20

Speaker system and amplifier

#1102
20110013778
2011-01-20

Speaker array apparatus and method for setting audio beams of speaker array apparatus

#1103
20100329480
2010-12-30

HIGHLY DIRECTIVE ENDFIRE LOUDSPEAKER ARRAY

#1104
20100322445
2010-12-23

Modular, line-array loudspeaker

#1105
20100322444
2010-12-23

Loudspeaker arrangement

#1106
20100322435
2010-12-23

Position Detecting System, Audio Device and Terminal Device Used in the Position Detecting System

#1107
20100316242
2010-12-16

Digital speaker apparatus

#1108
20100296660
2010-11-25

Apparatus and method for sound focusing

#1109
20100272301
2010-10-28

Horn loudspeaker and a sound source

#1110
20100272292
2010-10-28

Method and device for controlling the broadcasting of audio contents by two loudspeakers

#1111
20100246880
2010-09-30

METHOD AND APPARATUS FOR ENHANCED STIMULATION OF THE LIMBIC AUDITORY RESPONSE

#1112
20100246839
2010-09-30

Speaker configuration

#1113
20100238352
2010-09-23

System and method for displaying multiple images/videos on a single display

#1114
20100232630
2010-09-16

ACOUSTIC MULTI-POLE ARRAY AND METHODS OF PACKAGING AND CONTROLLING THE SAME

#1115
20100226499
2010-09-09

Device for and a method of processing data

#1116
20100220877
2010-09-02

Array speaker system and array microphone system

#1117
20100220871
2010-09-02

Speaker device with the phase changing device for varying the phase of the audio signal

#1118
20100215202
2010-08-26

Modular Loudspeaker Device Installable In Computer Drive Bay

#1119
20100208932
2010-08-19

Multi-directional flat speaker device

#1120
20100189267
2010-07-29

Speaker array apparatus, signal processing method, and program

#1121
20100179672
2010-07-15

Interactive sound reproducing

#1122
20100177909
2010-07-15

Beamforming system comprising a transducer assembly

#1123
20100172514
2010-07-08

Sound processing system

#1124
20100166242
2010-07-01

Direct digital speaker apparatus having a desired directivity pattern

#1125
20100166212
2010-07-01

Sound emission and collection device

#1126
20100158287
2010-06-24

Multi-directivity sound device

#1127
20100158284
2010-06-24

Assembly structure of a flat speaker

#1128
20100158282
2010-06-24

Speaker device

#1129
20100142733
2010-06-10

Apparatus and Method for Generating Directional Sound

#1130
20100135505
2010-06-03

Very high intelligibility mass notofication system

#1131
20100135503
2010-06-03

Method and apparatus for controlling directional sound sources based on listening area

#1132
20100124342
2010-05-20

FORCED ACOUSTIC DIPOLE AND FORCED ACOUSTIC MULTIPOLE ARRAY USING THE SAME

#1133
20100124150
2010-05-20

Systems and methods for acoustic beamforming using discrete or continuous speaker arrays

#1134
20100119090
2010-05-13

Omni-directional radiator for multi-transducer array

#1135
20100111311
2010-05-06

Delay time calculation apparatus and method

#1136
20100104124
2010-04-29

Item Mounting System

#1137
20100104117
2010-04-29

Constant-beamwidth loudspeaker array

#1138
20100098274
2010-04-22

Method and system for creating three-dimensional spatial audio

#1139
20100092005
2010-04-15

Multidirectional multisound information system

#1140
20100080409
2010-04-01

Dual-mode loudspeaker

#1141
20100080085
2010-04-01

Forced acoustic dipole and forced acoustic multipole array using the same

#1142
20100053466
2010-03-04

System and methods for television with integrated sound projection system

#1143
20100046763
2010-02-25

Sound pickup apparatus

#1144
20100027827
2010-02-04

Speaker system

#1145
20100014697
2010-01-21

Shaped Loudspeaker

#1146
20100008529
2010-01-14

Speakerphone including a plurality of microphones mounted by microphone supports

#1147
20100002900
2010-01-07

Apparatus and methods for generating pressure waves

#1148
20090298430
2009-12-03

Directional communication systems

#1149
20090296964
2009-12-03

Compact surround-sound effects system

#1150
20090296957
2009-12-03

SOUND SYSTEM AND METHOD FOR CREATING A SOUND EVENT BASED ON A MODELED SOUND FIELD

#1151
20090290717
2009-11-26

Delay time calculation apparatus, delay time calculation method, and storage medium storing program therefor

#1152
20090285441
2009-11-19

Loudspeaker Having a Continuous Molded Diaphragm

#1153
20090284055
2009-11-19

Seat electroacoustical transducing

#1154
20090277712
2009-11-12

Acoustic energy projection system

#1155
20090268929
2009-10-29

VOICE OUTPUT DEVICE AND METHOD, PROGRAM, AND ROOM

#1156
20090262962
2009-10-22

Audio apparatus

#1157
20090252364
2009-10-08

Voice signal transmitting/receiving apparatus

#1158
20090245545
2009-10-01

Loudspeaker panel with a microphone and method for using both

#1159
20090245535
2009-10-01

Loudspeaker apparatus for radiating acoustic waves in a hemisphere around the centre axis

#1160
20090238383
2009-09-24

Loudspeaker system and method for producing synthesized directional sound beam

#1161
20090230273
2009-09-17

Suspension system

#1162
20090226000
2009-09-10

System and method for directional sound transmission with a linear array of exponentially spaced loudspeakers

#1163
20090225993
2009-09-10

Audio signal processing method and system

#1164
20090224221
2009-09-10

Lifting device

#1165
20090220113
2009-09-03

Multiple receiver venting system

#1166
20090214067
2009-08-27

Loudspeaker box with a variable radiation characteristic

#1167
20090182444
2009-07-16

Audio-Visual Beer Keg System

#1168
20090180633
2009-07-16

Sound emission and collection apparatus and control method of sound emission and collection apparatus

#1169
20090175472
2009-07-09

Loudspeaker device

#1170
20090169047
2009-07-02

Speaker

#1171
20090161880
2009-06-25

METHOD AND APPARATUS TO CREATE A SOUND FIELD

#1172
20090141926
2009-06-04

Optimized moving-coil loudspeaker

#1173
20090141916
2009-06-04

Loudspeaker-transducer array

#1174
20090141915
2009-06-04

Method and apparatus for focusing sound using array speaker

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20090136049
2009-05-28

Device and method for acoustic communication and/or perception in a motor vehicle

#1176
20090129602
2009-05-21

Array speaker apparatus

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20090110212
2009-04-30

Audio transmission system and communication conference device

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20090103753
2009-04-23

Three-dimension array structure of surround-sound speaker

#1179
20090087000
2009-04-02

Array speaker system and method of implementing the same

#1180
20090065293
2009-03-12

Convertible folded horn enclosure with improved compactness

#1181
20090060248
2009-03-05

Earphone structure with a composite sound field

#1182
20090060238
2009-03-05

Earphone structure with a composite sound field

#1183
20090060237
2009-03-05

Array speaker system

#1184
20090052688
2009-02-26

Remote conference apparatus and sound emitting/collecting apparatus

#1185
20090052684
2009-02-26

Audio conferencing apparatus

#1186
20090046863
2009-02-19

Remote-control device with directional audio system

#1187
20090041283
2009-02-12

Audio conference apparatus

#1188
20090034763
2009-02-05

Audio device and sound beam control method

#1189
20090034762
2009-02-05

ARRAY SPEAKER DEVICE

#1190
20090028378
2009-01-29

Speaker system

#1191
20090028358
2009-01-29

Speaker array apparatus for forming surround sound field based on detected listening position and stored installation position information

#1192
20090012779
2009-01-08

Sound source separation apparatus and sound source separation method

#1193
20090010469
2009-01-08

Low profile loudspeaker

#1194
20090010455
2009-01-08

Speaker array apparatus

#1195
20090003634
2009-01-01

SPEAKER ARRAY APPARATUS, MICROPHONE ARRAY APPARATUS, AND SIGNAL PROCESSING METHODS THEREFOR

#1196
20080310661
2008-12-18

Loud speaker group assembled from a plurality of loud speakers with snap-on connections

#1197
20080285771
2008-11-20

Teleconferencing apparatus with virtual point source production

#1198
20080279410
2008-11-13

Hearing enhancement systems

#1199
20080279391
2008-11-13

MICROPHONE UNIT AND SOUND SOURCE DIRECTION IDENTIFICATION SYSTEM

#1200
20080273725
2008-11-06

System and method for directionally radiating sound